On 2011-12-16, Mark Knecht <[email protected]> wrote:
> On Fri, Dec 16, 2011 at 9:06 AM, Michael Mol <[email protected]> wrote:

>> No; you'll have to decrypt, or do without the encrypted bits.
>>
>> dvdbackup is probably the closest to what you want.
>
> Interesting. So even something that just copies blocks of data, like
> dd, can't be used for that purpose?

Correct.  If you use dd to copy an encrypted disk, the result will be
missing something like 90% of the data.

> I have no interest in tearing apart the DVD in any way. It was more
> about the idea of a fire causing the loss of maybe $15K-$20K
> investment over the years. I can rip all the CDs, keep the ripped
> version here to watch on the computer, and store the DVDs elsewhere,
> but that elimiates (generally) being able to watch special features
> which my wife and kid enjoy.

No it doesn't.  You can use dvdbackup (or k9copy or ...) to copy the
DVDs to the computer and when you play them back you get all the menus
and special features and whatnot.  If you want you can create ISO
images and burn them to dual-layer-DVDs, but you don't need to do that
to play them with all the features.

-- 
Grant Edwards               grant.b.edwards        Yow! Now we can become
                                  at               alcoholics!
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